
DKIM checker
Understand DKIM and email trust signals.
DKIM helps receiving mail servers verify that a message has not been modified and came from trusted sending infrastructure.
Check email qualityWhat is DKIM?
DKIM stands for DomainKeys Identified Mail. It uses cryptographic signatures to help validate the authenticity of email messages.
Why DKIM matters
Strong DKIM configuration can improve trust with receiving providers and help reduce spoofing concerns.